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<H3>log command 
</H3>
<P><B>Syntax:</B>
</P>
<PRE>log file keyword 
</PRE>
<UL><LI>file = name of new logfile 
</UL>
<UL><LI>keyword = <I>append</I> if output should be appended to logfile (optional) 
</UL>
<P><B>Examples:</B>
</P>
<PRE>log log.equil
log log.equil append 
</PRE>
<P><B>Description:</B>
</P>
<P>This command closes the current SPARTA log file, opens a new file with
the specified name, and begins logging information to it.  If the
specified file name is <I>none</I>, then no new log file is opened.  If the
optional keyword <I>append</I> is specified, then output will be appended
to an existing log file, instead of overwriting it.
</P>
<P>If multiple processor partitions are being used, the file name should
be a variable, so that different processors do not attempt to write to
the same log file.
</P>
<P>The file "log.sparta" is the default log file for a SPARTA run.  The
name of the initial log file can also be set by the command-line
switch -log.  See <A HREF = "Section_start.html#start_6">Section 2.6</A> for
details.
</P>
<P><B>Restrictions:</B> none
</P>
<P><B>Related commands:</B> none
</P>
<P><B>Default:</B>
</P>
<P>The default SPARTA log file is named log.sparta
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